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Teradata.Client.Provider
Entity Table Constraints Schema
.NET Data Provider for Teradata > Developer's Guide > ADO.NET Entity Provider for Teradata > Entity Provider Store Schemas > Entity Provider Store Schema Collection > Entity Table Constraints Schema
.NET CORE   This feature is not supported by the .NET Core implementation of the Data Provider.

The Table Constraints schema returns information about constraints on a TABLE object by accessing the Advanced SQL Engine Data Dictionary views. It will access DBC.INDICES[V] or DBC.INDICES[V]X AND DBC.All_RI_PARENTS[V] or DBC.All_RI_PARENTS[V]X Data Dictionary view based on UseXViews Connection setting.

Column Name Data Type Description
Id String Returns a unique Id for the constraint.
Name String Returns the name of the constraint.
ConstraintType String Returns the constraint type:

  • PRIMARY KEY
  • UNIQUE
  • FOREIGN KEY
IsDeferrable Boolean This field is always set to False.
IsInitiallyDeferred Boolean This field is always set to False.